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Configure Advanced Features
136
AC1900, N900, and N450 WiFi
Cable Data Gateways
Unblock a Device for IP Address Filtering
You can unblock a device for IP address filtering so the device can access the Internet
access.
To unblock a device for IP address filtering:
1.
On your computer, launch an Internet browser such as Mozilla Firefox or Microsoft
Internet Explorer.
2.
In the address field of your browser, enter
http://routerlogin.net
.
You are prompted to enter a user name and password.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Advanced Setup > IP Filtering/MAC Filtering
.
The IP Filtering / MAC Filtering screen displays.
6.
Leave the
IP Filtering
radio button selected as the filter type.
7.
In the IP Filter Table, clear the
Enable
check box for the device that you want to unblock.
8.
Click the
Apply
button.
The device remains in the IP Filter Table but is unblocked and can access the Internet.
Remove a Device for IP Address Filtering
You can remove a device that you no longer need for IP address filtering.
To remove a device for IP address filtering:
1.
On your computer, launch an Internet browser such as Mozilla Firefox or Microsoft
Internet Explorer.
2.
In the address field of your browser, enter
http://routerlogin.net
.
You are prompted to enter a user name and password.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Advanced Setup > IP Filtering/MAC Filtering
.
The IP Filtering / MAC Filtering screen displays.
6.
Leave the
IP Filtering
radio button selected as the filter type.
7.
In the IP Filter Table, select the radio button to the left of the device that you want to remove.
Page 137 / 168
Configure Advanced Features
137
AC1900, N900, and N450 WiFi
Cable Data Gateways
8.
Click the
Delete
button.
The device is removed from the IP Filter Table.
Set Up and Manage MAC Address Filtering
By default, the cable data gateway allows any connected device access to the Internet. As an
added security measure, you can use MAC filtering to block specific devices based on their
MAC addresses from accessing the Internet. MAC address filtering is a more stable blocking
method than IP address filtering because IP addresses can change but MAC addresses do
not.
Block or Schedule Blocking for Devices Based on MAC Address
You must add each device for which you want to block Internet access based on MAC
address.
To block or schedule blocking for devices based on MAC address:
1.
On your computer, launch an Internet browser such as Mozilla Firefox or Microsoft
Internet Explorer.
2.
In the address field of your browser, enter
http://routerlogin.net
.
You are prompted to enter a user name and password.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Advanced Setup > IP Filtering/MAC Filtering
.
The IP Filtering / MAC Filtering screen displays.
Page 138 / 168
Configure Advanced Features
138
AC1900, N900, and N450 WiFi
Cable Data Gateways
6.
Select the
MAC Filtering
radio button.
The screen adjusts.
7.
Add a device to the MAC Filter Table:
a.
Device Name
. Enter a descriptive name.
b. MAC Address
. Enter the MAC address.
Tip:
You can also select a device from the Link Device Table by selecting
the corresponding radio button. If the device that you want to add is
not listed, click the
Refresh
button to update the Link Device Table.
8.
Click the
Add
button.
The device is added to the MAC Filter Table. The
Enable
check box is selected
automatically.
9.
To add more devices to the table, repeat
Step
7
and
Step
8
.
10.
In the MAC Filter section, select how the cable data gateway applies MAC address filtering:
Per Schedule
. MAC address filtering is enabled according the schedule that you must
select from the menu.
For more information, see
Schedule When Features Are Active
on page
68.
Always
. MAC address filtering is always enabled.
Note:
By default, the
Never
radio button is selected and MAC address filtering
is disabled, even if you specified devices in the table.
11.
Click the
Apply
button.
Page 139 / 168
Configure Advanced Features
139
AC1900, N900, and N450 WiFi
Cable Data Gateways
Your settings are saved.
Unblock a Device for MAC Address Filtering
You can unblock a device for MAC address filtering so that the device can access the
Internet.
To unblock a device for MAC address filtering:
1.
On your computer, launch an Internet browser such as Mozilla Firefox or Microsoft
Internet Explorer.
2.
In the address field of your browser, enter
http://routerlogin.net
.
You are prompted to enter a user name and password.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Advanced Setup > IP Filtering/MAC Filtering
.
The IP Filtering / MAC Filtering screen displays.
6.
Select the
MAC Filtering
radio button.
The screen adjusts.
7.
In the MAC Filter Table, clear the
Enable
check box for the device that you want to unblock.
8.
Click the
Apply
button.
The device remains in the MAC Filter Table but is unblocked and can access the Internet.
Remove a Device for MAC Address Filtering
You can remove a device that you no longer need for MAC address filtering.
To remove a device for MAC address filtering:
1.
On your computer, launch an Internet browser such as Mozilla Firefox or Microsoft
Internet Explorer.
2.
In the address field of your browser, enter
http://routerlogin.net
.
You are prompted to enter a user name and password.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Advanced Setup > IP Filtering/MAC Filtering
.
Page 140 / 168
Configure Advanced Features
140
AC1900, N900, and N450 WiFi
Cable Data Gateways
The IP Filtering / MAC Filtering screen displays.
6.
Select the
MAC Filtering
radio button.
The screen adjusts.
7.
In the MAC Filter Table, select the radio button to the left of the device that you want to
remove.
8.
Click the
Delete
button.
The device is removed from the MAC Filter Table.
Configure Dynamic DNS
If your cable service provider gave you a permanently assigned (fixed) IP address, you can
register a domain name and link that name with your IP address by a public Domain Name
Server (DNS). However, if your Internet account uses a dynamically assigned IP address,
you do not know your IP address in advance and the address can change frequently. In this
case, you can use a commercial Dynamic DNS (DDNS) service. This type of service lets you
register your domain to their IP address and forwards traffic directed at your domain to your
frequently changing IP address.
If your cable service provider assigns a private WAN IP address (such as 192.168.x.x or
10.x.x.x), the DDNS service does not work because private addresses are not routed on the
Internet.
Your cable data gateway contains a client that can connect to the DDNS service provided by
Dyn
. First, visit their website and obtain an account and host name that you configure in the
cable data gateway. Then, whenever your cable service provider–assigned IP address
changes, your cable data gateway automatically contacts the DDNS service provider, logs in
to your account, and registers your new IP address. If your host name is hostname, for
example, you can reach your cable data gateway at http://hostname.dyn.com.
To set up Dynamic DNS:
1.
Register for an account with a DDNS service providers whose URL is listed in the
Service Provider
menu.
2.
On your computer, launch an Internet browser such as Mozilla Firefox or Microsoft Internet
Explorer.
3.
In the address field of your browser, enter
http://routerlogin.net
.
You are prompted to enter a user name and password.
4.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
5.
Click the
OK
button.
The BASIC Home screen displays.
6.
Select
ADVANCED > Advanced Setup > Dynamic DNS
.

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